This is a 10-round Smith and Wesson M&P Shield .45 extended magazine from ProMag.

Designed to deliver consistent field performance and unwavering dependability, the ProMag Smith & Wesson Shield .45 ACP 10-round magazine is an affordable alternative to factory OEM magazines.

Featuring a durable bled steel body with a corrosion-resistant blued finish, this M&P Shield .45 magazine is built for lasting service in harsh and demanding conditions.

Additionally, the heat-treated chrome silicon wire spring and injection-molded polymer follower combine to provide optimal cartridge alignment and reliable feeding performance in high-stress defensive scenarios.

Numbered witness holes make accurate round counts quick and easy, while a removable polymer baseplate adds a layer of impact resistance and makes cleaning and maintenance a breeze.

Further, the Shield .45 mag is made in the USA and backed by ProMag’s lifetime warranty guaranteeing years of faithful operation you can count on.